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extranuclear genetic
相关语句
  核外遗传
     EXTRANUCLEAR GENETIC EFFECT OF QUALITY TRAITS IN INDICA HYBRID RICE
     籼型杂种稻米品质性状的核外遗传效应
短句来源
  相似匹配句对
     The genetic
     用等电聚焦免疫固定技术调查成都地区汉族群体Bf的遗传多态性。
短句来源
     Genetic Diversity
     基因多样性
短句来源
     EXTRANUCLEAR GENETIC EFFECT OF QUALITY TRAITS IN INDICA HYBRID RICE
     籼型杂种稻米品质性状的核外遗传效应
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  extranuclear genetic
The affected gene, amedcarE, behaves as an extranuclear genetic factor.
      


Extranuclear genetic effect of 9 quality traits in indica hybrid rice was investigated by independent comparison of single degree of freedom. The experimental materials were 18 hybrids from 3 sterile lines (A) and their maintainers (B) each mating with 2 restorers (R), including A×R, B×R and R×B. Results showed that the differences of quality traits between B×R and R×B were not found in most cases (38 of 54), and that between A×R and B×R were found to be significant in 28 out of 54 comparisons. This indicates...

Extranuclear genetic effect of 9 quality traits in indica hybrid rice was investigated by independent comparison of single degree of freedom. The experimental materials were 18 hybrids from 3 sterile lines (A) and their maintainers (B) each mating with 2 restorers (R), including A×R, B×R and R×B. Results showed that the differences of quality traits between B×R and R×B were not found in most cases (38 of 54), and that between A×R and B×R were found to be significant in 28 out of 54 comparisons. This indicates that the effects of fertile cytoplasms among cultivars of O. sativa subsp. indica on quality traits are unusual, but will be extended when contrasted them with sterile cytoplasm from O. rufipogon.

采用单一自由度的独立比较方法,研究9个稻米品质性状的核外遗传效应.试验材料为3个籼型不育系(A)及其相应保持系(B)分别与2个恢复系(R)杂交而得的18个正反交杂种的F2米粒.结果表明:多数性状组合(54个中有38个)没有发现(B×R)和(R×B)的差异,(A×R)和(B×R)则有半数以上性状组合(54个中有28个)存在差异.这说明普通栽培稻不同品种间的细胞质对稻米品质大多没有不同影响;稻属不同种的细胞质(野败细胞质对普通栽培稻细胞质)对稻米品质的影响则较不同品种的细胞质为大,但也不是很普遍的.

 
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